CHILD HEALTHY STUDY CHAIR BENEFICIAL FOR HEALTHY GROWTH OF THE SPINE

WIPO Patent Application WO/2021/035508

A1

A child healthy study chair beneficial for healthy growth of the spine, comprising a base plate (1) and a base (11), support plates (13) being arranged symmetrically on the upper right and left sides of the base (11), a rotating shaft (14) being rotatably connected to the upper part of the support plates (13), an adjustment wheel (15) being arranged on the left end of the rotating shaft (14), a left threaded part (16) and a right threaded part (17) being arranged on the rotating shaft (14), an adjustment base (18) being connected in a threaded manner onto the left threaded part (16) and the right threaded part (17), a first connecting base (20) being arranged on the upper side of each adjustment base (18), an adjustment rod (19) being hinged to each first connecting base (20), and the upper end of each adjustment rod (19) being connected to the base plate (1) by means of the first connecting base (20). The adjustment wheel (15) drives the rotating shaft (14) to rotate, such that the adjustment bases (18) on the rotating shaft (14) move towards or away from one another; adjustment is convenient, and due to the threaded adjustment, adjustment precision is high, stability and safety are good, and slipping will not occur.

QIN TIANTIAN (CN)
PAN BAOCHENG (CN)

PCT/CN2019/102707

March 04, 2021

August 27, 2019

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UNIV SHANDONG YINGCAI (CN)

A47C3/20

CN109480517A	2019-03-19
CN208925395U	2019-06-04
CN208785084U	2019-04-26
CN109008374A	2018-12-18
CN108652228A	2018-10-16
JP2000166996A	2000-06-20

BEIJING IP PATENT AGENCY CO., LTD. (CN)

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